2020 Lexus GX460 engine

603What to do if... (Troubleshooting)
GX460_OM_OM60R27U_(U)
●Did you press the engine switch while firmly depressing the brake pedal?
( P. 196)
●Is the shift lever in P? ( P. 196)
●Is the electronic key anywhere detectable inside the vehicle? ( P. 122)
●Is the steering wheel unlocked? ( P. 199)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. (P. 541)
●Is the battery discharged? ( P. 543)
●Is the engine switch in IGNITION ON mode?
If you cannot release the shift lever by depressing the brake pedal with the
engine switch in IGNITION ON mode ( P. 205)
If you think something is wrong
The engine does not start
The shift lever cannot be shifted from P even if you depress the brake
pedal

604What to do if... (Troubleshooting)
GX460_OM_OM60R27U_(U)
●It is locked automatically to prevent theft of the vehicle. ( P. 198)
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be operated
if the window lock switch is pressed. ( P. 156)
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not running) for a period of
time. ( P. 198)
●The seat belt reminder light is flashing
Are the driver and the front passe nger wearing the seat belts?
( P. 513)
●The parking brake indicator is on
Is the parking brake released? ( P. 208)
Depending on the situation, other types of warning buzzer may also sound.
( P. 511, 520)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( P. 78)
To stop the alarm, turn the engine switch to IGNITION ON mode or start the
engine. The steering wheel cannot be turned after the engine is stopped
The windows do not open or close by operating the power window
switches
The engine switch is turned off automatically
A warning buzzer sounds during driving
An alarm is activated and the horn sounds

608Alphabetical index
GX460_OM_OM60R27U_(U)
Console box ........................................... 396
Cool box .................................................. 409
Cooling system ..................................... 455Engine overheating.......................... 546
Conversation mirror ............................. 412
Crawl Control ....................................... 344
Cruise control Dynamic radar cruise control......254
Cup holders ............................................ 398
Curtain shield airbags ........................... 36
Current fuel consumption ................... 93
Customizable features ....................... 576
DAC (Downhill Assist Control system)................................................... 348
Daytime running light system ........... 210
Defogger Front windshield ................................ 380
Outside rear view mirrors .............. 381
Rear window ......................................... 381
Differential ............................................... 557
Dimension ............................................... 552
Display Drive information .................................. 93
Multi-information display ....................91
Warning message ............................ 520
Do-it-yourself maintenance ............. 447
Doors.......................................................... 104 Back door ................................................... 111
Door glasses ......................................... 156
Door lock ................................................ 104
Open door warning light................ 513
Outside rear view mirrors .............. 153
Rear door child-protector.............. 107
Drive information .................................... 93
Drive-Start Control ...............................166 Driver’s seat position memory............141
Driving ........................................................ 164
AVS switch ........................................... 339
Break-in tips ...........................................166
Correct posture .................................... 28
Procedures .............................................164
Winter drive tips ................................ 367
Dynamic radar cruise control ..........254
Eco Driving Indicator .............................96
EDR (Event data recorder)................... 10
Electronic key ......................................... 100 Battery-saving function .................... 123
If the electronic key does not operate properly ............................540
Replacing the battery ...................... 484
Emergency, in case of If the electronic key does not operate properly ............................540
If the engine will not start ...............538
If the vehicle has discharged battery ........................ 543
If the vehicle is trapped in rising water.....................................................502
If the warning buzzer sounds ......... 511
If the warning light turns on ............. 511
If you have a flat tire .......................... 524
If you lose your keys................. 101, 103
If you think something is wrong.................................................. 509
If your vehicle becomes stuck...................................................... 549
If your vehicle needs to be towed ...................................................503
If your vehicle overheats ................ 546
D
E

609Alphabetical index
GX460_OM_OM60R27U_(U)
Emergency flashers .............................500
EngineAccessory mode..................................197
Brake Override System .................. 165
Compartment....................................... 451
Drive-Start Control............................ 166
Hood ....................................................... 450
How to start the engine ................... 196
Identification number ...................... 554
If the engine will not start............... 538
Ignition switch (engine switch)..... 196
Overheating ........................................ 546
Engine compartment cover ............. 452
Engine coolant....................................... 455 Capacity ................................................ 556
Checking............................................... 455
Preparing and checking before winter ....................................367
Engine immobilizer system ..................76
Engine oil ................................................. 453 Capacity ................................................ 554
Checking................................................453
Preparing and checking before winter ....................................367
Warning message ............................. 522
Engine oil maintenance data ........... 454
Engine switch ...........................................196
Engine switch light ............................... 392
Event data recorder (EDR) ...................10 Flat tire .......................................................524
Floor mats....................................................26
Fluid
Automatic transmission ................. 558
Brake........................................................559
Steering ................................................. 560
Washer ................................................... 463
Fog lights.................................................... 217 Replacing light bulbs ....................... 497
Switch ........................................................ 217
Four-wheel drive system................... 340
Front passenger occupant classification system ............................ 47
Front passenger’s seat belt reminder light ....................................... 513
Front seats ................................................. 128 Adjustment..............................................128
Cleaning................................................. 437
Correct driving posture .................... 28
Driving position memory...................141
Head restraints .....................................146
Seat heaters ..........................................390
Seat position memory .........................141
Front turn signal lights .........................207 Replacing light bulbs ....................... 493
Turn signal lever ................................. 207
Wattage ...................................................561F

610Alphabetical index
GX460_OM_OM60R27U_(U)
Fuel ............................................................. 554Capacity ................................................ 554
Fuel gauge ............................................... 88
Fuel pump shut off system.............. 510
Information ............................................562
Refueling................................................. 225
Type ............................................. 554, 562
Warning light ........................................ 513
Fuel consumption information ........... 98
Fuel filler door ........................................ 225 Refueling................................................. 225
Fuel gauge .................................................. 88
Fuel pump shut off system.................. 510
Fuses .......................................................... 486
Garage door opener .......................... 425
Gauges ........................................................ 88
Glass hatch ................................................ 116
Glove box ................................................ 396
Hands-free system (for cellular phone)
*
Head restraints ........................................146
Headlights ............................................... 209 Light switch .......................................... 209
Replacing light bulbs ........................ 497
Headlights cleaner............................... 224
Heaters Automatic air conditioning system ..................................... 376, 386
Seat heaters ......................................... 390
Outside rear view mirrors .............. 381
Height control........................................ 335
Hill-start assist control ........................ 352 Hood ......................................................... 450
Hooks
Cargo hooks ...........................402, 403
Coat hooks ........................................... 420
Retaining hooks (floor mat)............. 26
Horn............................................................. 149
I/M test ......................................................446
Identification Engine .....................................................554
Vehicle ....................................................553
Ignition switch (engine switch) ......... 196
Ignition switch light .............................. 392
Illuminated entry system ................... 394
Immobilizer system ................................. 76
Indicators .................................................... 82
Initialization Items to initialize ................................ 585
Maintenance data....................441, 454
Moon roof .............................................. 160
Power windows.................................... 157
Tire pressure warning system ..... 466
Inside rear view mirror.......................... 151
Instrument panel light control ............ 89
Interior lights .......................................... 392 Switch ...................................................... 393
Wattage ...................................................561
Jack Vehicle-equipped jack ................... 525
Jack handle ............................................. 528
Jam protection function Moon roof .............................................. 160
Power windows.................................... 157
G
H
I
J

611Alphabetical index
GX460_OM_OM60R27U_(U)
Keyless entrySmart access system with push-button start ............................... 121
Wireless remote control .................100
Keys............................................................. 100 Battery-saving function .....................123
Electronic key .......................................100
If the electronic key does not operate properly............................ 540
If you lose your keys ................. 101, 103
Key number plate ...............................100
Keyless entry ..........................104, 111, 121
Mechanical key ...................................... 101
Replacing the battery ...................... 484
Wireless remote control .................100
KDSS ......................................................... 352 Warning light ........................................ 512
Lane Departure Alert (LDA) .......... 246
Lever Auxiliary catch lever ........................ 450
Hood lock release lever ................ 450
Shift lever ................................................202
Turn signal lever .................................207
Wiper lever ............................................ 218
Lexus Enform Safety Connect............. 71
Lexus Safety System +........................ 229 Automatic High Beam ...................... 212
Dynamic radar cruise control......254
LDA (Lane Departure Alert) .......246
PCS (Pre-Collision System) ........235 License plate lights .............................. 209
Light switch........................................... 209
Replacing light bulbs ....................... 497
Light Engine switch light ............................ 392
Fog light switch ..................................... 217
Headlight switch ................................ 209
Illuminated entry system................. 394
Interior light........................................... 393
Interior light list .................................... 392
Personal light ....................................... 393
Replacing light bulbs .........................491
Turn signal lever ................................. 207
Vanity lights ..............................................411
Wattage ...................................................561
Welcome lighting..................................211
Light bulbs Replacing .................................................491
Wattage ...................................................561
Lock steering column...........................198
Luggage cover ...................................... 404
K
L
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL” or “MULTIMEDIA OWNER’S MANUAL”.

612Alphabetical index
GX460_OM_OM60R27U_(U)
MaintenanceDo-it-yourself maintenance.......... 447
Maintenance data ............................. 552
Maintenance requirements.......... 440
Resetting the message indicating maintenance is
required................................................ 441
Malfunction indicator lamp ................. 511
Meter Indicators................................................... 82
Instrument panel light control .........89
Meters........................................................ 88
Multi-information display ....................91
Warning lights ........................................ 82
Micro dust and pollen filter ............... 381
Mirrors Inside rear view mirror ....................... 151
Outside rear view mirror defoggers ............................................ 381
Outside rear view mirrors .............. 153
Vanity mirrors ......................................... 411
Moon roof................................................. 159 Jam protection function ................... 160
Operation ............................................... 159
MP3 disc
*
Multi-information display .......................91 BSM (Blind Spot Monitor)............357
Crawl Control .....................................344
Display contents ......................................91
Drive information .................................. 93
Dynamic radar cruise control......254
Intuitive parking assist ...................... 267
Language ............................................... 577
LDA (Lane Departure Alert) .......249
Multi-terrain Select............................284
Warning message ............................ 520 Multi-terrain Monitor ......................... 288
Multi-terrain Select ............................. 284
Navigation system
*
Odometer .................................................. 88
Off-road precautions ......................... 370
Oil
Engine oil ...............................................554
Front differential oil ........................... 557
Rear differential oil ............................ 557
Transfer.................................................. 558
Opener Back door..................................................112
Fuel filler door.......................................227
Hood........................................................450
Outside rear view mirrors .................. 153 Adjusting and folding ........................153
Blind Spot Monitor ........................... 357
Outside rear view mirror defoggers............................................ 381
Outside temperature display ............. 88
Overheating, Engine .......................... 546
Parking assist sensors (intuitive parking assist)...................266
Parking brake ........................................ 208 Operation..............................................208
Parking brake engaged warning buzzer ...............................208
Parking lights Light switch........................................... 209
Replacing light bulbs ....................... 497
M
N
O
P

614Alphabetical index
GX460_OM_OM60R27U_(U)
Seat heaters ............................................ 390
Seat ventilators ........................................391
Seat position memory............................ 141
Seats.................................................. 128, 130Adjustment ...................................128, 130
Adjustment precautions ........129, 140
Child seats/child restraint system installation............................. 58
Cleaning ................................................. 437
Driving position memory .................. 141
Head restraint ....................................... 146
Properly sitting in the seat ................ 28
Seat position memory......................... 141
Ventilators .............................................. 391
Sensor Automatic headlight system .......... 210
Automatic High Beam system ...... 212
Inside rear view mirror ..................... 152
Intuitive parking assist-sensor .....266
LDA (Lane Departure Alert) .......246
Radar sensor ....................................... 230
Rain-sensing windshield wipers ...................................................220
Service reminder indicators ............... 82
Shift lever Automatic transmission ..................202
If the shift lever cannot be shifted from P .................................. 205
Shift lock system.................................... 204
Side airbags ............................................... 36
Side mirrors ............................................. 153 Adjusting and folding........................ 153
Blind Spot Monitor............................357 Side turn signal lights ...........................207
Replacing light bulbs ....................... 497
Turn signal lever ................................. 207
Smart access system with push-button start...................................121 Antenna location....................................121
Starting the engine ..............................196
Snow tires ................................................ 369
Spare tire ..................................................524 Inflation pressure............................... 560
Storage location ................................. 525
Spark plug ............................................... 556
Specifications......................................... 552
Speedometer ............................................ 88
Steering lock Column lock release .........................199
Steering wheel ........................................ 149 Adjustment..............................................149
Audio switches
*
Heated steering wheel ...................389
Steering wheel position memory...................................................141
Stop/tail lights Replacing light bulbs ....................... 497
Storage feature ..................................... 395
Stuck If the vehicle becomes stuck........ 549
Sunshade Roof ........................................................... 160
Sun visors.....................................................411
Switch Automatic High Beam switch ....... 212
AVS switch ........................................... 339
BSM (Blind Spot Monitor) switch ...................................................358
Center differential lock/ unlock switch...................................... 341